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General view of employee Mildred Wells using a Hart moisture meter to measure the moisture in a sample of carboxymethyl cellulose (CMC) at the Hercules Powder Company plant in Hopewell, Virginia. Also known as cellulose…

General view of employee Mildred Wells using a Brookfield Viscometer to measure the viscosity of a carboxymethyl cellulose (CMC) solution at the Hercules Powder Company plant in Hopewell, Virginia. Also known as…

Two views of employee Mildred Wells testing samples of carboxymethyl cellulose (CMC) for residual fibers at the Hercules Powder Company plant in Hopewell, Virginia. As visible in the photograph, the samples were placed…

General view of an unidentified employee loading packages of so-called "chemical cotton" into a boxcar at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified cellulose obtained…

Two views of an unidentified employee operating the control panel on an autoclave used to process ethyl cellulose manufactured at the Hercules Powder Company plant in Hopewell, Virginia. Ethyl cellulose manufactured by…

General view of an unidentified employee washing so-called "chemical cotton" as part of the continuous bleaching process at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified…

General view of two unidentified employees using a machine to cut stock of so-called "chemical cotton" into sheets at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified…

General view of continuous bleaching equipment used in the production of so-called "chemical cotton" at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified cellulose obtained…

General view of continuous bleaching equipment used in the production of so-called "chemical cotton" at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified cellulose obtained…

General view of an unidentified employee bagging carboxymethyl cellulose (CMC) at the Hercules Powder Company plant in Hopewell, Virginia. Also known as cellulose gum or tylose powder, CMC is a cellulose derivative…

General view of several unidentified employees bailing and wrapping sheets of so-called "chemical cotton" for shipment at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified…

Close-up view of laboratory operator Donald Stevens using a press to remove water from a sheet of so-called "chemical cotton," i.e. purified cellulose obtained from raw cotton linters, manufactured in the Cellulose…

General view of a roll rewinder in use in the Cellulose Department at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the roll rewinder was used to produce smaller…

Close-up view of laboratory operator Percy L. Bell checking the composition of viscose solutions produced in the Cellulose Department at the Hercules Powder Company plant located in Hopewell, Virginia. The viscose…

Artist's rendering of the continuous digester system used at the Hercules Powder Company plant in Hopewell, Virginia. The continuous digester system was likely used to process cellulosic fibrous materials, such as…

General view of the production of carboxymethyl cellulose (CMC) at the Hercules Powder Company plant in Hopewell, Virginia. Also known as cellulose gum or tylose powder, CMC is a cellulose derivative commonly used as a…

Close-up view of a Fourdrinier machine in use at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, this Fourdrinier machine was used to dewater sheets of so-called…

General view of an automatic banding machine in use in the Cellulose Department at the Hercules Powder Company plant in Hopewell, Virginia. The employees visible in the photograph are identified as Leroy Brown and John…

General view of bales of cotton linters (short fiber residues left on the cottonseed after the longer staple, aka the "lint" fibers, are removed by ginning) in storage at the Hercules Powder Company plant in Hopewell,…

Two views of employee Paul F. Brown feeding raw cotton linters (short fiber residues left on the cottonseed after the longer staple, aka the "lint" fibers, are removed by ginning) into a bale breaking machine in the…

Two views of an unidentified employee adjusting the Stern Shredder machine at the Hercules Powder Company plant in Hopewell, Virginia. The shredder was used to process linter sheets of cellulosic fibrous materials, such…

General view of an unidentified employee inspecting control switches at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the control switches were explosion-proof, one…

General view of an unidentified employee inspecting the Hydrochloride Rotary System at the Hercules Powder Company plant in Hopewell, Virginia. The system was likely used during the production of so-called "chemical…

General view of an unidentified employee inspecting the control board for a Solvent Recovery system at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the system was…

Interior view of a Hercules Powder Company linter pilot plant in Hopewell, Virginia, with view of a small digester and wash tubs. The pilot plant was likely designed as a facility for the removal of short fibers from…

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